./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3586cc0e-4f65-4e9d-9235-f5e7eea5cdd3/bin/ugemcutter-AnMVkTqH3k/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3586cc0e-4f65-4e9d-9235-f5e7eea5cdd3/bin/ugemcutter-AnMVkTqH3k/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3586cc0e-4f65-4e9d-9235-f5e7eea5cdd3/bin/ugemcutter-AnMVkTqH3k/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3586cc0e-4f65-4e9d-9235-f5e7eea5cdd3/bin/ugemcutter-AnMVkTqH3k/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3586cc0e-4f65-4e9d-9235-f5e7eea5cdd3/bin/ugemcutter-AnMVkTqH3k/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3586cc0e-4f65-4e9d-9235-f5e7eea5cdd3/bin/ugemcutter-AnMVkTqH3k --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a233f90faab2ceb8ddfb042463870c03c0794d3cd45b2ba20de731314559cb95 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 01:51:26,267 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 01:51:26,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 01:51:26,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 01:51:26,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 01:51:26,324 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 01:51:26,326 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 01:51:26,331 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 01:51:26,336 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 01:51:26,337 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 01:51:26,339 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 01:51:26,341 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 01:51:26,343 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 01:51:26,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 01:51:26,349 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 01:51:26,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 01:51:26,355 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 01:51:26,364 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 01:51:26,366 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 01:51:26,368 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 01:51:26,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 01:51:26,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 01:51:26,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 01:51:26,386 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 01:51:26,389 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 01:51:26,390 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 01:51:26,390 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 01:51:26,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 01:51:26,392 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 01:51:26,393 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 01:51:26,401 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 01:51:26,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 01:51:26,404 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 01:51:26,405 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 01:51:26,406 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 01:51:26,406 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 01:51:26,407 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 01:51:26,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 01:51:26,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 01:51:26,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 01:51:26,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 01:51:26,413 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3586cc0e-4f65-4e9d-9235-f5e7eea5cdd3/bin/ugemcutter-AnMVkTqH3k/config/svcomp-Reach-32bit-GemCutter_Default.epf [2022-11-18 01:51:26,451 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 01:51:26,455 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 01:51:26,456 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 01:51:26,457 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 01:51:26,458 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 01:51:26,458 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 01:51:26,459 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 01:51:26,459 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 01:51:26,459 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 01:51:26,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 01:51:26,461 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 01:51:26,462 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 01:51:26,462 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 01:51:26,462 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 01:51:26,462 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 01:51:26,463 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 01:51:26,463 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 01:51:26,463 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 01:51:26,463 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 01:51:26,464 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 01:51:26,464 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 01:51:26,464 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 01:51:26,464 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 01:51:26,465 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-18 01:51:26,465 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 01:51:26,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 01:51:26,466 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 01:51:26,466 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 01:51:26,466 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 01:51:26,466 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 01:51:26,467 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-11-18 01:51:26,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 01:51:26,467 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 01:51:26,468 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-18 01:51:26,468 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 01:51:26,468 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-18 01:51:26,468 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-18 01:51:26,469 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3586cc0e-4f65-4e9d-9235-f5e7eea5cdd3/bin/ugemcutter-AnMVkTqH3k/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3586cc0e-4f65-4e9d-9235-f5e7eea5cdd3/bin/ugemcutter-AnMVkTqH3k Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a233f90faab2ceb8ddfb042463870c03c0794d3cd45b2ba20de731314559cb95 [2022-11-18 01:51:26,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 01:51:26,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 01:51:26,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 01:51:26,847 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 01:51:26,848 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 01:51:26,850 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3586cc0e-4f65-4e9d-9235-f5e7eea5cdd3/bin/ugemcutter-AnMVkTqH3k/../../sv-benchmarks/c/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i [2022-11-18 01:51:26,956 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3586cc0e-4f65-4e9d-9235-f5e7eea5cdd3/bin/ugemcutter-AnMVkTqH3k/data/081285463/a29ad2388acc4928823dc9ec2e6aad19/FLAG34596ea2b [2022-11-18 01:51:27,616 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 01:51:27,617 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3586cc0e-4f65-4e9d-9235-f5e7eea5cdd3/sv-benchmarks/c/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i [2022-11-18 01:51:27,636 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3586cc0e-4f65-4e9d-9235-f5e7eea5cdd3/bin/ugemcutter-AnMVkTqH3k/data/081285463/a29ad2388acc4928823dc9ec2e6aad19/FLAG34596ea2b [2022-11-18 01:51:27,829 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3586cc0e-4f65-4e9d-9235-f5e7eea5cdd3/bin/ugemcutter-AnMVkTqH3k/data/081285463/a29ad2388acc4928823dc9ec2e6aad19 [2022-11-18 01:51:27,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 01:51:27,836 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 01:51:27,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 01:51:27,841 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 01:51:27,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 01:51:27,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:51:27" (1/1) ... [2022-11-18 01:51:27,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fdb9473 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:51:27, skipping insertion in model container [2022-11-18 01:51:27,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:51:27" (1/1) ... [2022-11-18 01:51:27,857 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 01:51:27,927 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 01:51:28,162 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3586cc0e-4f65-4e9d-9235-f5e7eea5cdd3/sv-benchmarks/c/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i[1105,1118] [2022-11-18 01:51:28,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 01:51:28,341 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 01:51:28,357 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3586cc0e-4f65-4e9d-9235-f5e7eea5cdd3/sv-benchmarks/c/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i[1105,1118] [2022-11-18 01:51:28,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 01:51:28,440 INFO L208 MainTranslator]: Completed translation [2022-11-18 01:51:28,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:51:28 WrapperNode [2022-11-18 01:51:28,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 01:51:28,442 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 01:51:28,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 01:51:28,443 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 01:51:28,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:51:28" (1/1) ... [2022-11-18 01:51:28,469 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:51:28" (1/1) ... [2022-11-18 01:51:28,508 INFO L138 Inliner]: procedures = 162, calls = 40, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2022-11-18 01:51:28,509 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 01:51:28,510 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 01:51:28,511 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 01:51:28,511 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 01:51:28,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:51:28" (1/1) ... [2022-11-18 01:51:28,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:51:28" (1/1) ... [2022-11-18 01:51:28,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:51:28" (1/1) ... [2022-11-18 01:51:28,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:51:28" (1/1) ... [2022-11-18 01:51:28,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:51:28" (1/1) ... [2022-11-18 01:51:28,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:51:28" (1/1) ... [2022-11-18 01:51:28,570 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:51:28" (1/1) ... [2022-11-18 01:51:28,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:51:28" (1/1) ... [2022-11-18 01:51:28,575 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 01:51:28,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 01:51:28,576 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 01:51:28,576 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 01:51:28,577 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:51:28" (1/1) ... [2022-11-18 01:51:28,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 01:51:28,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3586cc0e-4f65-4e9d-9235-f5e7eea5cdd3/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:51:28,628 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3586cc0e-4f65-4e9d-9235-f5e7eea5cdd3/bin/ugemcutter-AnMVkTqH3k/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 01:51:28,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3586cc0e-4f65-4e9d-9235-f5e7eea5cdd3/bin/ugemcutter-AnMVkTqH3k/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 01:51:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 01:51:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 01:51:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-18 01:51:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 01:51:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 01:51:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-18 01:51:28,686 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-18 01:51:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 01:51:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 01:51:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 01:51:28,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 01:51:28,689 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 01:51:28,884 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 01:51:28,886 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 01:51:29,219 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 01:51:29,229 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 01:51:29,229 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 01:51:29,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:51:29 BoogieIcfgContainer [2022-11-18 01:51:29,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 01:51:29,235 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 01:51:29,235 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 01:51:29,240 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 01:51:29,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:51:27" (1/3) ... [2022-11-18 01:51:29,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aa1169a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:51:29, skipping insertion in model container [2022-11-18 01:51:29,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:51:28" (2/3) ... [2022-11-18 01:51:29,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aa1169a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:51:29, skipping insertion in model container [2022-11-18 01:51:29,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:51:29" (3/3) ... [2022-11-18 01:51:29,245 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i [2022-11-18 01:51:29,257 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 01:51:29,271 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 01:51:29,271 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-18 01:51:29,271 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 01:51:29,343 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-18 01:51:29,405 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 01:51:29,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-18 01:51:29,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3586cc0e-4f65-4e9d-9235-f5e7eea5cdd3/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:51:29,415 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3586cc0e-4f65-4e9d-9235-f5e7eea5cdd3/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-18 01:51:29,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3586cc0e-4f65-4e9d-9235-f5e7eea5cdd3/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-18 01:51:29,498 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-18 01:51:29,528 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-18 01:51:29,538 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7ba98aad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 01:51:29,538 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-18 01:51:29,839 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-18 01:51:29,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:51:29,847 INFO L85 PathProgramCache]: Analyzing trace with hash -2013102357, now seen corresponding path program 1 times [2022-11-18 01:51:29,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:51:29,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934841768] [2022-11-18 01:51:29,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:51:29,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:51:30,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:51:30,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:51:30,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:51:30,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934841768] [2022-11-18 01:51:30,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934841768] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:51:30,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:51:30,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 01:51:30,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704016363] [2022-11-18 01:51:30,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:51:30,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 01:51:30,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:51:30,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 01:51:30,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 01:51:30,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:30,748 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:51:30,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:51:30,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:31,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:51:31,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 01:51:31,153 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-18 01:51:31,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:51:31,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1281706965, now seen corresponding path program 2 times [2022-11-18 01:51:31,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:51:31,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087518450] [2022-11-18 01:51:31,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:51:31,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:51:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:51:31,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:51:31,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:51:31,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087518450] [2022-11-18 01:51:31,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087518450] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:51:31,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:51:31,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 01:51:31,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663850972] [2022-11-18 01:51:31,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:51:31,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 01:51:31,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:51:31,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 01:51:31,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 01:51:31,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:31,365 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:51:31,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:51:31,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:51:31,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:31,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:51:31,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:31,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 01:51:31,510 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-18 01:51:31,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:51:31,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1436209511, now seen corresponding path program 1 times [2022-11-18 01:51:31,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:51:31,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844278673] [2022-11-18 01:51:31,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:51:31,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:51:31,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:51:32,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:51:32,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:51:32,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844278673] [2022-11-18 01:51:32,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844278673] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:51:32,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:51:32,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 01:51:32,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615890936] [2022-11-18 01:51:32,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:51:32,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 01:51:32,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:51:32,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 01:51:32,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 01:51:32,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:32,043 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:51:32,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:51:32,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:51:32,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:32,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:32,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:51:32,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:32,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 01:51:32,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 01:51:32,501 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-18 01:51:32,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:51:32,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1853984160, now seen corresponding path program 1 times [2022-11-18 01:51:32,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:51:32,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213939925] [2022-11-18 01:51:32,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:51:32,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:51:32,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:51:32,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:51:32,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:51:32,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213939925] [2022-11-18 01:51:32,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213939925] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:51:32,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:51:32,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 01:51:32,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879699088] [2022-11-18 01:51:32,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:51:32,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 01:51:32,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:51:32,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 01:51:32,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 01:51:32,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:32,952 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:51:32,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:51:32,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:51:32,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:32,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-18 01:51:32,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:33,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:51:33,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:33,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 01:51:33,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 01:51:33,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 01:51:33,212 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-18 01:51:33,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:51:33,214 INFO L85 PathProgramCache]: Analyzing trace with hash -211801278, now seen corresponding path program 1 times [2022-11-18 01:51:33,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:51:33,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844462213] [2022-11-18 01:51:33,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:51:33,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:51:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:51:33,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:51:33,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:51:33,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844462213] [2022-11-18 01:51:33,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844462213] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:51:33,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:51:33,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 01:51:33,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131293864] [2022-11-18 01:51:33,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:51:33,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 01:51:33,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:51:33,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 01:51:33,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-18 01:51:33,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:33,804 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:51:33,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:51:33,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:51:33,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:33,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-18 01:51:33,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-18 01:51:33,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:34,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 01:51:34,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:34,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 01:51:34,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 01:51:34,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:51:34,123 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-11-18 01:51:34,124 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2022-11-18 01:51:34,124 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-11-18 01:51:34,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 01:51:34,132 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2022-11-18 01:51:34,136 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-18 01:51:34,136 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 01:51:34,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:51:34 BasicIcfg [2022-11-18 01:51:34,140 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 01:51:34,141 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 01:51:34,141 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 01:51:34,141 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 01:51:34,142 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:51:29" (3/4) ... [2022-11-18 01:51:34,145 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 01:51:34,154 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-18 01:51:34,161 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-18 01:51:34,161 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-18 01:51:34,161 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 01:51:34,162 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 01:51:34,220 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3586cc0e-4f65-4e9d-9235-f5e7eea5cdd3/bin/ugemcutter-AnMVkTqH3k/witness.graphml [2022-11-18 01:51:34,220 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 01:51:34,221 INFO L158 Benchmark]: Toolchain (without parser) took 6384.62ms. Allocated memory was 83.9MB in the beginning and 146.8MB in the end (delta: 62.9MB). Free memory was 49.6MB in the beginning and 92.4MB in the end (delta: -42.8MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2022-11-18 01:51:34,221 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory was 41.0MB in the beginning and 41.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 01:51:34,222 INFO L158 Benchmark]: CACSL2BoogieTranslator took 600.64ms. Allocated memory was 83.9MB in the beginning and 121.6MB in the end (delta: 37.7MB). Free memory was 49.4MB in the beginning and 87.6MB in the end (delta: -38.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 01:51:34,222 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.97ms. Allocated memory is still 121.6MB. Free memory was 87.6MB in the beginning and 85.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 01:51:34,223 INFO L158 Benchmark]: Boogie Preprocessor took 64.57ms. Allocated memory is still 121.6MB. Free memory was 85.5MB in the beginning and 84.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 01:51:34,223 INFO L158 Benchmark]: RCFGBuilder took 656.72ms. Allocated memory is still 121.6MB. Free memory was 84.1MB in the beginning and 70.2MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-18 01:51:34,224 INFO L158 Benchmark]: TraceAbstraction took 4905.05ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 69.5MB in the beginning and 94.5MB in the end (delta: -25.0MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. [2022-11-18 01:51:34,224 INFO L158 Benchmark]: Witness Printer took 79.50ms. Allocated memory is still 146.8MB. Free memory was 94.5MB in the beginning and 92.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 01:51:34,227 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory was 41.0MB in the beginning and 41.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 600.64ms. Allocated memory was 83.9MB in the beginning and 121.6MB in the end (delta: 37.7MB). Free memory was 49.4MB in the beginning and 87.6MB in the end (delta: -38.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.97ms. Allocated memory is still 121.6MB. Free memory was 87.6MB in the beginning and 85.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.57ms. Allocated memory is still 121.6MB. Free memory was 85.5MB in the beginning and 84.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 656.72ms. Allocated memory is still 121.6MB. Free memory was 84.1MB in the beginning and 70.2MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 4905.05ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 69.5MB in the beginning and 94.5MB in the end (delta: -25.0MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. * Witness Printer took 79.50ms. Allocated memory is still 146.8MB. Free memory was 94.5MB in the beginning and 92.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2054, independent: 1906, independent conditional: 968, independent unconditional: 938, dependent: 148, dependent conditional: 92, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2003, independent: 1906, independent conditional: 968, independent unconditional: 938, dependent: 97, dependent conditional: 41, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2003, independent: 1906, independent conditional: 968, independent unconditional: 938, dependent: 97, dependent conditional: 41, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2124, independent: 1906, independent conditional: 32, independent unconditional: 1874, dependent: 218, dependent conditional: 89, dependent unconditional: 129, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2124, independent: 1906, independent conditional: 32, independent unconditional: 1874, dependent: 218, dependent conditional: 41, dependent unconditional: 177, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2124, independent: 1906, independent conditional: 32, independent unconditional: 1874, dependent: 218, dependent conditional: 41, dependent unconditional: 177, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1044, independent: 961, independent conditional: 23, independent unconditional: 938, dependent: 83, dependent conditional: 27, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1044, independent: 886, independent conditional: 0, independent unconditional: 886, dependent: 158, dependent conditional: 0, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 158, independent: 75, independent conditional: 23, independent unconditional: 52, dependent: 83, dependent conditional: 27, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 158, independent: 75, independent conditional: 23, independent unconditional: 52, dependent: 83, dependent conditional: 27, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 706, independent: 367, independent conditional: 93, independent unconditional: 273, dependent: 339, dependent conditional: 117, dependent unconditional: 222, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2124, independent: 945, independent conditional: 9, independent unconditional: 936, dependent: 135, dependent conditional: 14, dependent unconditional: 121, unknown: 1044, unknown conditional: 50, unknown unconditional: 994] , Statistics on independence cache: Total cache size (in pairs): 1044, Positive cache size: 961, Positive conditional cache size: 23, Positive unconditional cache size: 938, Negative cache size: 83, Negative conditional cache size: 27, Negative unconditional cache size: 56, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 48, Maximal queried relation: 5, Independence queries for same thread: 51 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.6s, Number of persistent set computation: 331, Number of trivial persistent sets: 331, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 994, independent: 938, independent conditional: 0, independent unconditional: 938, dependent: 56, dependent conditional: 0, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2054, independent: 1906, independent conditional: 968, independent unconditional: 938, dependent: 148, dependent conditional: 92, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2003, independent: 1906, independent conditional: 968, independent unconditional: 938, dependent: 97, dependent conditional: 41, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2003, independent: 1906, independent conditional: 968, independent unconditional: 938, dependent: 97, dependent conditional: 41, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2124, independent: 1906, independent conditional: 32, independent unconditional: 1874, dependent: 218, dependent conditional: 89, dependent unconditional: 129, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2124, independent: 1906, independent conditional: 32, independent unconditional: 1874, dependent: 218, dependent conditional: 41, dependent unconditional: 177, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2124, independent: 1906, independent conditional: 32, independent unconditional: 1874, dependent: 218, dependent conditional: 41, dependent unconditional: 177, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1044, independent: 961, independent conditional: 23, independent unconditional: 938, dependent: 83, dependent conditional: 27, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1044, independent: 886, independent conditional: 0, independent unconditional: 886, dependent: 158, dependent conditional: 0, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 158, independent: 75, independent conditional: 23, independent unconditional: 52, dependent: 83, dependent conditional: 27, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 158, independent: 75, independent conditional: 23, independent unconditional: 52, dependent: 83, dependent conditional: 27, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 706, independent: 367, independent conditional: 93, independent unconditional: 273, dependent: 339, dependent conditional: 117, dependent unconditional: 222, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2124, independent: 945, independent conditional: 9, independent unconditional: 936, dependent: 135, dependent conditional: 14, dependent unconditional: 121, unknown: 1044, unknown conditional: 50, unknown unconditional: 994] , Statistics on independence cache: Total cache size (in pairs): 1044, Positive cache size: 961, Positive conditional cache size: 23, Positive unconditional cache size: 938, Negative cache size: 83, Negative conditional cache size: 27, Negative unconditional cache size: 56, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 48, Maximal queried relation: 5, Independence queries for same thread: 51 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 118 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 1.9s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 348 NumberOfCodeBlocks, 348 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 343 ConstructedInterpolants, 0 QuantifiedInterpolants, 1293 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-18 01:51:34,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3586cc0e-4f65-4e9d-9235-f5e7eea5cdd3/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-11-18 01:51:34,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3586cc0e-4f65-4e9d-9235-f5e7eea5cdd3/bin/ugemcutter-AnMVkTqH3k/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE